This is the Futaba BLS451 Brushless Digital
High Torque, High Speed Servo.
Designed for steering in nitro or electric on and off-road vehicles.

FEATURES: Equipped with a Brushless motor that lasts longer and operates at a
lower temperature than Brushed motors
Samarium Cobalt magnets and dual ball bearings
Same power consumption and centering as Digital servos equipped with
Brushed motors
Standard size
One-year warranty

INCLUDES: Futaba BLS451 Brushless Digital High Torque, High Speed Servo with
Universal connector

REQUIRES: Installing in model and plugging into receiver

SPECS: Torque: 4.8V: 118 oz-in, 6V: 147 oz-in
Speed: 4.8V: .13 sec, 6V .10 sec
Dimensions: 1.6 x 0.8 x 1.4" (40.6 x 20.3 x 35mm)
Weight: 2.11oz (60g)